142808 has 8 divisors (see below), whose sum is σ = 267780. Its totient is φ = 71400.

The previous prime is 142799. The next prime is 142811. The reversal of 142808 is 808241.

142808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8918 + ... + 8933.

2¹⁴²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

142808 is a deficient number, since it is larger than the sum of its proper divisors (124972).

142808 is a wasteful number, since it uses less digits than its factorization.

142808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857 (or 17853 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 142808 is about 377.8994575281. The cubic root of 142808 is about 52.2698008787.

The spelling of 142808 in words is "one hundred forty-two thousand, eight hundred eight".